Xinli Shang created PARQUET-2062:
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Summary: Data masking(null) for column encryption
Key: PARQUET-2062
URL: https://issues.apache.org/jira/browse/PARQUET-2062
Project: Parquet
Issue Type: New Feature
Components: parquet-mr
Reporter: Xinli Shang
Assignee: Xinli Shang
When user doesn't have permisson on a column that are encrypted by the column
encryption feature (parquet-1178), returning a masked value could avoid an
exception and let the call succeed.
We would like to introduce the data masking with null values. The idea is when
the user gets key access denied and the user can accept null(via a reading
option flag), we would return null for the encrypted columns. This solution
doesn't need to save extra columns for masked value and doesn't need to
translate existing data.
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